Sr Engineer, SDET T500-20290

17 hours ago

Hyderabad, India ANSR Full time

About T-Mobile

T-Mobile US, Inc. (NASDAQ: TMUS), headquartered in Bellevue, Washington, is America's supercharged Un-carrier, connecting millions through its strong nationwide network and flagship brands, T-Mobile and Metro by T-Mobile. Customers benefit from an unmatched combination of value, quality, and exceptional service experience.

TMUS Global Solutions

TMUS Global Solutions
is a world-class technology powerhouse accelerating the company's global digital transformation. With a culture built on growth, inclusivity, and global collaboration, the teams here drive innovation at scale, powered by bold thinking.

TMUS India Private Limited is a subsidiary of T-Mobile US, Inc. and operates as TMUS Global Solutions

About the Role

The Senior Software Development Engineer in Test (SDET) is a core member of the development team, participating across the full development lifecycle. This role translates business and functional requirements into deliverables, designs and maintains test automation frameworks, and ensures automated tests are integrated into the continuous delivery pipeline. The Sr. SDET develops high-quality, maintainable, and performant test code, consults on test automation strategy, and serves as a leader and coach across teams to influence quality practices and standards

What You'll Do

  • Design, develop, and maintain automation systems and tools to be used by development and test engineers.
  • Analyze code coverage using industry-standard tools (e.g., SonarQube).
  • Oversee integration of automated tests into the Continuous Delivery pipeline.
  • Design and author test cases for unit, functional, performance, scalability, and durability testing.
  • Manage and groom automated and manual test suites for balanced coverage and fast feedback cycles.
  • Work with IT partner teams to provide, create, or modify test data through repeatable, automated processes.
  • Provide internal training on testing skills and tools; contribute to the Test Community of Practice to evolve testing practices and standards.
  • Lead defect management and interface with external teams on test strategy and execution.
  • Ensure requirements and/or user stories are testable and provide estimates for user stories and tasks.
  • Coordinate with Dev and Ops regarding testing practices to ensure quality thresholds are met.
  • Contribute to design and code reviews.
  • Perform other duties and projects as assigned by business management.

What You'll Bring (Must have skills)

  • Bachelor's degree in software engineering, Computer Science, or related field
  • 4–7 years of experience using three or more development languages (e.g., C#, Java, JavaScript).
  • Any Monitoring & Observability Tools - Splunk, AppDynamics, Dynatrace, Prometheus, Grafana, SolarWinds, or others.
  • 4–7 years of experience with three or more automation tools (e.g., Selenium, TestNG, Appium, Sauce Labs, Rest Assured, Postman, Cucumber, Jasmine, Protractor).
  • 4–7 years of experience with testing methodologies such as Test-Driven Development (TDD) and Behavior Driven Development (BDD), API Testing, Acceptance Testing, end to end testing.
  • 4–7 years of experience using issue-tracking software and Agile project management systems (JIRA)
  • Proficiency with SQL (querying, joins, stored procedures), Knowledge of NoSQL databases (MongoDB, DynamoDB, etc.) – Any database

Nice To Have

  • Working knowledge using CA Service Virtualization or equivalent.
  • AI experience is a plus

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